1000220331323 has 4 divisors (see below), whose sum is σ = 1000226047248. Its totient is φ = 1000214615400.

The previous prime is 1000220331277. The next prime is 1000220331353. The reversal of 1000220331323 is 3231330220001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000220331323 - 2³⁰ = 999146589499 is a prime.

It is a super-2 number, since 2×1000220331323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000220331295 and 1000220331304.

It is not an unprimeable number, because it can be changed into a prime (1000220331353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2586911 + ... + 2948312.

It is an arithmetic number, because the mean of its divisors is an integer number (250056511812).

Almost surely, 2^{1000220331323} is an apocalyptic number.

1000220331323 is a deficient number, since it is larger than the sum of its proper divisors (5715925).

1000220331323 is an equidigital number, since it uses as much as digits as its factorization.

1000220331323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715924.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1000220331323 its reverse (3231330220001), we get a palindrome (4231550551324).

The spelling of 1000220331323 in words is "one trillion, two hundred twenty million, three hundred thirty-one thousand, three hundred twenty-three".